Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
173 ALFORD ST, CHARLESTOWN, MA, 02129
Parent company: CONSTELLATION ENERGY GENERATION LLC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Formaldehyde | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | n-Hexane | Total |
|---|---|---|---|---|---|---|
| 2021 | 9,445 | — | — | — | — | 9,445 |
| 2020 | 16,121 | — | — | — | — | 16,122 |
| 2019 | 20,758 | — | — | — | — | 20,759 |
| 2018 | 44,668 | — | — | 19,000 | — | 63,669 |
| 2017 | 55,068 | — | — | 15,000 | — | 70,070 |
| 2016 | 80,968 | — | — | 28,000 | — | 109,000 |
| 2015 | 32,930 | — | — | 26,000 | 35,001 | 93,933 |
| 2014 | 29,640 | — | — | 22,000 | — | 51,640 |
| 2013 | 63,625 | — | — | — | — | 63,712 |
| 2012 | 60,400 | — | — | — | — | 60,508 |
| 2011 | 61,200 | — | — | — | — | 61,320 |
| 2010 | 75,860 | — | — | — | — | 75,979 |
| 2009 | 59,200 | — | — | — | — | 59,307 |
| 2008 | 42,375 | — | — | — | — | 42,478 |
| 2007 | 44,803 | — | — | — | — | 44,912 |
| 2006 | 200,456 | — | 41,812 | — | — | 243,470 |
| 2005 | 148,797 | — | 31,756 | — | — | 181,446 |
| 2004 | 164,365 | — | 35,376 | — | — | 200,727 |
| 2003 | 124,731 | 29,159 | 26,871 | — | 4,016 | 185,564 |
| 2002 | 27,408 | 25,114 | — | — | 14,096 | 67,404 |
| 2001 | — | 34,053 | — | — | 9,858 | 47,345 |
| 2000 | — | 38,724 | — | — | 1,972 | 46,567 |
| 1999 | — | 72,438 | — | — | 5,882 | 84,064 |
| 1998 | 2,450 | 119,727 | — | — | 1,638 | 133,468 |